How to choose a Yandex.map zone based on the user's address?

Question

AJAX

I'm making a website for a pizzeria

At the pizza delivery point, you need to show the user a map with zones and, based on the address data entered by him, determine the zone and the minimum amount of free delivery for this zone, which is located in the database

. How to implement this?

Answer 1

1) Geocode the address - get the coordinates
2) Check these coordinates for belonging to the zone polygon
3) Set the price.